Audio listening system



FIG. 1 is a perspective view of an earpiece of an audio listening system in accordance with one embodiment of with the present invention;

FIG. 2 is a front view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1;

FIG. 3 is rear view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1

FIG. 4 is a right side view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1;

FIG. 5 is a left side view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1;

FIG. 6 is a top view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1;

FIG. 7 is a bottom view of the embodiment of an earpiece of an audio listening system depicted in FIG. 1; and,

FIG. 8 is front view of an audio listening system with a pair of earpieces.

The broken lines in the figures show portions of the audio listening system that form no part of the claimed design. 

CLAIM The ornamental design for an audio listening system, as shown and described. 